title: Collision tumor of meningioma and malignant astrocytoma.
abstract: The authors report a 12-year-old boy who was presented with headache, nausea, vomiting and seizure. His magnetic resonance imaging showed 2 adjacent tumors in the region of the left ventricular trigone. The pathology of tumors reported collision tumors composed of meningioma and malignant astrocytoma.
authors.affiliation: Department of Neurosurgery, Clemens Hospital, Academic Hospital of Münster University, Münster, Germany.
authors.forename: Mahmoudreza
authors.initials: M
authors.lastname: Khalatbari
authors.forename: Hamid
authors.initials: H
authors.lastname: Borghei-Razavi
authors.forename: Nasrin
authors.initials: N
authors.lastname: Shayanfar
authors.forename: Ashkan Heshmatzade
authors.initials: AH
authors.lastname: Behzadi
authors.forename: Abolghassem
authors.initials: A
authors.lastname: Sepehrnia
mesh_terms: D001254:Astrocytoma / Q000175:diagnosis / Q000601:surgery*; D001932:Brain Neoplasms / Q000175:diagnosis / Q000601:surgery*; D002648:Child; D017809:Fatal Outcome; D006801:Humans; D008297:Male; D008577:Meningeal Neoplasms / Q000175:diagnosis / Q000601:surgery*; D008579:Meningioma / Q000175:diagnosis / Q000601:surgery*